mitt romney's proposed with paul ryan an ambitious reformation of the program that would go to voucher, but he hasn't said what the level of the voucher would be or the growth rate in the voucher. if you don't specify that, you can't specify what your savings will be or the impact on consumers. and finally president obama last year in the grand bargain talks with house speaker boehner talked about more ambitious proposals than medicare than he's advocated so far like raising the eligibility age from 65 to 67. hasn't said a word about that in the election campaign so far. you can expect the two to clash on that issue, as well. >> john, i know you've looked at some poll numbers from the journal and nbc news. maybe a slight tightening on a national level. but certainly in some important states like ohio, the president continues to lead. i know you've said the romney strategists believe they need ohio. if it's mathematically possible to win without it, why do they still believe they need it? >> well, because if you don't win ohio, you're probably not going to win, say, wisconsin, which is